Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 534 [Rate centres in NPA 534] [Dial plan for NPA 534]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-256 A Eau Galle WI EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352   2026-08-25   
534-256 7 Eau Galle WI EUCLWIAU3MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 352   2026-08-25   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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